Merge pull request #190 from netlify/doc/node-version

Document minimum Node.js version

Author: swyxio

README.md

@@ -1,5 +1,7 @@
 ## Netlify Lambda
 
+[![Node](https://img.shields.io/node/v/netlify-lambda.svg?logo=node.js)](https://www.npmjs.com/package/netlify-lambda)
+
 This is an optional tool that helps with building or locally developing [Netlify Functions](https://www.netlify.com/docs/functions/) with a simple webpack/babel build step. For function folders, there is also a small utility to install function folder dependencies.
 
 The goal is to make it easy to write Lambda's with transpiled JS/TypeScript features and imported modules.

package.json

@@ -47,5 +47,8 @@
     "auto-changelog": "^1.13.0",
     "gh-release": "^3.5.0",
     "jest": "^23.6.0"
+  },
+  "engines": {
+    "node": ">=8.0.0"
   }
 }